Commercial Roofing

Bitumen Roofing

What Is Bitumen Roofing?

A bitumen roof is a type of commercial roofing system made from a blend of asphalt and reinforced materials like polyester or fiberglass. It is designed to provide a durable, waterproof, and weather-resistant surface suitable for flat or low-slope roofs. Bitumen roofing can be installed using different methods, including heat application, cold adhesives, or self-adhering sheets, and often features a top layer with UV-reflective properties to enhance energy efficiency.

Advantages

Durability

Bitumen roofing is highly durable and can withstand various weather conditions, including intense sun, wind, and rain.

Cost-Effective

It offers a great balance of affordability and long-term reliability.

Low Maintenance

Requires minimal upkeep over its lifespan, reducing long-term cost. Repairs are generally simple and cost-effective, extending the roof’s lifespan when issues do arise.

Prestige Roofing commercial roofing project

Elements of a Bitumen Roofing System

01.
Base
Sheet

This serves as the initial support structure and provides essential waterproofing for the roofing system. Typically includes base sheets or underlayment that provide structural integrity and a secure foundation for additional layers.

02.
Modified Membrane

bitumen membrane

The main waterproofing layer made of bitumen combined with polymers for enhanced flexibility and durability. Reinforced with materials like polyester or fiberglass to improve strength and resistance to weather conditions.

03.
Adhesive
Layer

The method used to secure the bitumen membrane to the roof structure. Includes hot-mop (asphalt), cold adhesive, or self-adhering sheets for various installation needs and preferences.

04.
Cap Sheet &
Coatings

The outermost layer designed for UV protection and aesthetic appeal, which can also enhance the roof’s energy efficiency. Often includes reflective coatings to minimize heat absorption and improve energy efficiency, while providing additional protection against weathering.

Energy Efficient Benefits

Thermal Layer Protection

Layers of insulation incorporated in the roof system help maintain a stable indoor temperature, contributing to energy savings.

Reflective Surfacing

Bitumen roofing can be coated with reflective materials that reduce heat absorption, keeping the building cooler and reducing air conditioning costs.

Reduced Urban Heat Island Effect

Light-colored and reflective bitumen roofs reflect sunlight, helping decrease heat buildup in urban areas.

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